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Finding the Fourth Proportional to 526,984.92, 790,603.34 and 171,999.59

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Solution

The fourth proportional to 526,984.92, 790,603.34 and 171,999.59 is: 258,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,984.92 : 790,603.34 = 171,999.59 : x
  2. Step 2: Convert to fraction form
    526,984.92/790,603.34 = 171,999.59/x
  3. Step 3: Cross multiply
    526,984.92x = 790,603.34 × 171,999.59
  4. Step 4: Simplify right side
    526,984.92x = 135,983,445,519.62
  5. Step 5: Solve for x
    x = 135,983,445,519.62/526,984.92
  6. Step 6: Final answer
    x = 258,040.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.